Akro-Mils 30661 36-3/16-Inch Width by 66-1/4-Inch Height by 13-1/2-Inch Diameter Single Sided Louvered Steel Floor Rack for mounting AkroBins, Grey Rack assemblies allow you to increase storage capacity and organize work areas 500 lb capacity Easy, one person assembly Louvers riveted to uprights when shipped for easy assembly Made in the USA